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Open Source and information security mailing list archives
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Date: Thu, 10 Jul 2008 10:34:23 +0200 From: Pavel Machek <pavel@...e.cz> To: "Rafael J. Wysocki" <rjw@...k.pl> Cc: Andrew Morton <akpm@...ux-foundation.org>, ACPI Devel Maling List <linux-acpi@...r.kernel.org>, LKML <linux-kernel@...r.kernel.org>, pm list <linux-pm@...ts.linux-foundation.org>, Shaohua Li <shaohua.li@...el.com>, Andi Kleen <andi@...stfloor.org> Subject: Re: [PATCH -mm 7/8] ACPI hibernation: Utilize hardware signature > Subject: ACPI hibernation: Utilize hardware signature > > ACPI defines a hardware signature. BIOS calculates the signature > according to hardware configure and if hardware changes while > hibernated, the signature will change. In that case, S4 resume > should fail. > > Still, there may be systems on which this mechanism does not work > correctly, so it is better to provide a workaround for them. For > this reason, add a new switch to the acpi_sleep= command line > argument allowing one to disable hardware signature checking. > > Signed-off-by: Shaohua Li <shaohua.li@...el.com> > Signed-off-by: Rafael J. Wysocki <rjw@...k.pl> ACK. -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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